B23K 31/00
Processes relevant to this subclass, specially adapted for particular articles or purposes
Official title: Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
B23K31/00 (Processes relevant to this subclass, specially adapted for particular articles or purposes) appears on 2,766 US grants and 3,546 published applications in this corpus.
Search patents in B23K- Granted patents
- 2,766
- Published applications
- 3,546
- Assignees
- 1,675
- Inventors
- 7,970
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 16 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 18 | 0 |
| 1987 | 10 | 0 |
| 1988 | 16 | 0 |
| 1989 | 24 | 0 |
| 1990 | 15 | 0 |
| 1991 | 15 | 0 |
| 1992 | 16 | 0 |
| 1993 | 23 | 0 |
| 1994 | 21 | 0 |
| 1995 | 14 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 23 | 0 |
| 1999 | 28 | 0 |
| 2000 | 25 | 0 |
| 2001 | 36 | 7 |
| 2002 | 35 | 30 |
| 2003 | 32 | 28 |
| 2004 | 27 | 59 |
| 2005 | 28 | 50 |
| 2006 | 32 | 42 |
| 2007 | 24 | 49 |
| 2008 | 22 | 61 |
| 2009 | 28 | 54 |
| 2010 | 43 | 87 |
| 2011 | 33 | 91 |
| 2012 | 50 | 88 |
| 2013 | 73 | 186 |
| 2014 | 90 | 161 |
| 2015 | 151 | 306 |
| 2016 | 167 | 250 |
| 2017 | 177 | 199 |
| 2018 | 157 | 184 |
| 2019 | 172 | 221 |
| 2020 | 183 | 183 |
| 2021 | 130 | 198 |
| 2022 | 148 | 218 |
| 2023 | 132 | 204 |
| 2024 | 165 | 231 |
| 2025 | 164 | 232 |
| 2026 | 111 | 127 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser welding monitoring device and laser welding monitoring method6 Oct 2026US 12,752,368 B2Amada Company, Limited
- Laser machining apparatus6 Oct 2026US 12,752,369 B2Mitsubishi Electric Corporation
- Welding measuring system and welding measuring method29 Sep 2026US 12,746,624 B2Hitachi Construction Machinery Co., Ltd.
- Multi-resolution audio defect detection in welding29 Sep 2026US 12,746,625 B2International Business Machines Corporation
- Control of additive manufacturing systems including multiple laser energy sources29 Sep 2026US 12,746,721 B2VulcanForms Inc.
- Steel pipe out-of-roundness prediction method, steel pipe out-of-roundness control method, steel pipe manufacturing method, steel pipe out-of-roundness prediction model generation method, and steel pipe out-of-roundness prediction device8 Oct 2026US 2026/0307127 A1Jfe Steel Corporation
- Seam position detection method, manufacturing method of welded steel pipe, quality control method of welded steel pipe, seam position detection apparatus, and manufacturing equipment of welded steel pipe8 Oct 2026US 2026/0307128 A1Jfe Steel Corporation
- Welding guiding system providing high-quality images8 Oct 2026US 2026/0307163 A1Otos Wing Co., Ltd.
- Weld seam detection method and apparatus, electronic device, and storage medium8 Oct 2026US 2026/0307180 A1Contemporary Amperex Technology Co., Limited
- Protective enclosure for securing valves8 Oct 2026US 2026/0309245 A1Black Gold Vault Co.
Most cited
By later US patents
- Method and system for weld monitoring and tracking316US 6,583,386 B1Impact Engineering, Inc. · 2003
- Monitor for electric arc welder257US 6,441,342 B1Lincoln Global.Inc. · 2002
- Welded stent having a welded soluble core231US 9,675,477 B2Medtronic Vascular, Inc. · 2017
- Method and apparatus for assessing weld quality196US 6,236,017 B1Bechtel BWXT Idaho, LLC · 2001
- Automatic welding device and welding skill training device192US 6,750,428 B2Kabushiki Kaisha Yaskawa Denki · 2004